23400870 ÷ 803 
Our goal is to divide 23400870 by 803.

Let's proceed to step 1:
2 divided by 803 is 0 with a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Bring next digit (3) of the dividend behind the 2 and repeat the process: 23 / 803

On to step 2:
23 divided by 803 is 0 with a remainder of 23.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 23 to get 23.
Grab the next digit (4) from the dividend, add it to 23, then carry on: 234 / 803

Step 3:
234 divided by 803 is 0 with a remainder of 234.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 234 after subtracting 0 from 234.
Append the next digit (0) from the dividend to 234 and continue with: 2340 / 803

Moving on to step 4:
803 goes into 2340 2 times with a remainder of 734.
Put 2 as the next digit of the answer. 
Result so far: 2.0
If we subtract 1606 from 2340, we get 734.
Bring next digit (0) of the dividend behind the 734 and repeat the process: 7340 / 803

Let's proceed to step 5:
7340 divided by 803 is 9 with a remainder of 113.
Put 9 as the next digit of the answer. 
Result so far: 29.0
If we take 7227 away from 7340, we end up with 113.
Fetch the next digit (8) from the dividend, attach it to 113 and continue: 1138 / 803

Let's proceed to step 6:
The number 803 fits into 1138 1 times, leaving a remainder of 335.
The next digit of our result is 1. 
Result so far: 291.0
Subtract 803 from 1138 to get 335.
Bring next digit (7) of the dividend behind the 335 and repeat the process: 3357 / 803

Step 7:
The number 803 fits into 3357 4 times, leaving a remainder of 145.
The next digit of our result is 4. 
Result so far: 2914.0
Subtract 3212 from 3357 to get 145.
Bring next digit (0) of the dividend behind the 145 and repeat the process: 1450 / 803

Step 8:
The number 803 fits into 1450 1 times, leaving a remainder of 647.
Write down 1 as next digit of the result. 
Result so far: 29141.0
Subtract 803 from 1450 to get 647.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6470, and continue the process.

Moving on to step 9:
The number 803 fits into 6470 8 times, leaving a remainder of 46.
Put 8 as the next digit of the answer. 
Result so far: 29141.8
If we subtract 6424 from 6470, we get 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Moving on to step 10:
If we divide 460 by 803, we get 0 and a remainder of 460.
Write down 0 as next digit of the result. 
Result so far: 29141.8
The remainder is 460 after subtracting 0 from 460.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4600, and continue the process.

Advancing to step 11:
If we divide 4600 by 803, we get 5 and a remainder of 585.
The number 5 becomes the next digit in our result. 
Result so far: 29141.805
Subtracting 4015 from 4600 leaves us with 585.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5850, and continue the process.

Step 12:
The number 803 fits into 5850 7 times, leaving a remainder of 229.
Use 7 as the next digit of our solution. 
Result so far: 29141.8057
Deduct 5621 from 5850 and we're left with 229.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2290, and continue the process.

Let's proceed to step 13:
If we divide 2290 by 803, we get 2 and a remainder of 684.
Write down 2 as next digit of the result. 
Result so far: 29141.80572
Subtracting 1606 from 2290 leaves us with 684.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6840, and continue the process.

Moving on to step 14:
If we divide 6840 by 803, we get 8 and a remainder of 416.
Put 8 as the next digit of the answer. 
Result so far: 29141.805728
Subtract 6424 from 6840 to get 416.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4160, and continue the process.

Let's proceed to step 15:
The number 803 fits into 4160 5 times, leaving a remainder of 145.
The next digit of our result is 5. 
Result so far: 29141.8057285
The remainder is 145 after subtracting 4015 from 4160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1450, and continue the process.

Let's proceed to step 16:
803 goes into 1450 1 times with a remainder of 647.
The number 1 becomes the next digit in our result. 
Result so far: 29141.80572851
Deduct 803 from 1450 and we're left with 647.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6470, and continue the process.

The final result is 29141.80572851 with a remainder of 6.47e-07.